diff --git a/CHANGES b/CHANGES
index 2f62e8a520..fd0a9817d6 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,9 +1,11 @@
 
+2.5-519 | 2018-04-20 07:46:07 -0700
+
+  * Reduce number of btest threads running tests on Travis CI. (Daniel Thayer)
+
 2.5-515 | 2018-04-18 11:44:36 -0500
 
-  * Improve std::map usages in SMB code
-
-    Removed redundant lookup operations (Corelight)
+  * Improve std::map usages in SMB code. (Corelight)
 
 2.5-514 | 2018-04-18 10:54:24 -0500
 
diff --git a/VERSION b/VERSION
index 715344f885..f57e9cb483 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.5-515
+2.5-519
diff --git a/aux/btest b/aux/btest
index 8d10f39729..3d76371f89 160000
--- a/aux/btest
+++ b/aux/btest
@@ -1 +1 @@
-Subproject commit 8d10f397299bab7e2f722142b019b24f2aa490f1
+Subproject commit 3d76371f896b714520d0796a1f3f781ee8561c47